[amsat-bb] Re: Hamlib for Windows and COM ports question (re: Gpredict)

Alexandru Csete oz9aec at gmail.com
Fri Mar 18 09:13:02 PDT 2011

Hi Mark,

I have not used hamlib in a long time since I now have others to test
rig interfaces in gpredict. When I used it few years ago on windows it
worked well with high COM-port values. I always used USB to serial
converters, which get high values.

I would suggest you try the hamlib mailing list since this is where
hamlib users and developers hang out:

When you start rigtcl, you can try to pass the option -vvvvvv which
will enable debug messages. This may reveal what is wrong.

Otherwise, I have to say that I am puzzled by the fact that some
people use Gpredict on windows to control radios. I didn't know it was
possible because the hamlib network daemon (which is required by
gpredict) is not available in the windows packages - at least I have
never seen it.


On Fri, Mar 18, 2011 at 1:43 PM, Mark L. Hammond <marklhammond at gmail.com> wrote:
> To those who might know---
> Does hamlib for Windows support more than just COM1 and COM2 for
> hardware (radios, trackboxes)?    If so, what is the syntax?
> I've tried the obvious permutations based on the command line help and
> online help I could find...but it isn't working on COM5.  It just
> "hangs" with no errors and it's obviously not working either.  I am
> aware of the baud rate command line option, but that's not it...from
> what I've read it gives the impression (but isn't clearly stated) that
> it might not support above COM2.   Surely that can be fixed (heh...not
> by me!)
> Gpredict for Windows is very nice and a super program, but if I can't
> use ports higher than COM2 because of hamlib, it's use in my shack is
> very limited...
> 73,
> --
> Mark L. Hammond [N8MH]
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